Smith, J. Barry Modeling economic behavior in Peru's informal urban retail sector / J. Barry Smith and Morton Stelcner - Washington : World Bank, 1990 - 87 p. : ill. ; 30 cm. - Policy, Research, and External Affairs, Working Papers ; no.469 . Includes bibliographical references (p.84 - 87) Subjects--Topical Terms: Women in development-- PeruEconomic development